class Solution {
public:
    vector<int> twoSum(vector<int>& nums, int target) {
      for(int i=0;i<nums.size();i++){
          for(int j=i+1;j<nums.size();j++){
              if(nums[i]+nums[j]==target){
                  return vector<int>{i,j};
              }
          }
      }
      return vector<int>{};
    }
};

